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Related InformationFIBERSENSORS

LASERSENSORS

PHOTOELECTRICSENSORS

MICROPHOTOELECTRIC

SENSORS

AREASENSORS

LIGHTCURTAINS

PRESSURE / FLOW

SENSORSINDUCTIVEPROXIMITY

SENSORS

PARTICULARUSE SENSORS

SENSOROPTIONS

SIMPLEWIRE-SAVING

UNITS

WIRE-SAVING SYSTEMS

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PLC /TERMINALS

HUMAN MACHINE INTERFACES

ENERGY CONSUMPTION VISUALIZATION COMPONENTS

FA COMPONENTS

MACHINE VISION SYSTEMS

UV CURING SYSTEMS

Timers

Time Switches

Counters

Hour Meters

Options

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Temperature Controllers

A-TB72/72Q

Flush mounting type Surface mounting type/DIN rail mounting type

Time Switch

A-TB72/72Q Flat time switches Flush mounting type andSurface mounting type / DIN rail mounting type

■Precautions in using ..................... P.1256 ■Options ......................................... P.1292

RoHS compliance

Features

• DIN72 size depth in the box 21.7 mm 0.854 in smart time switch (Flush mounting type)

• One-touch installation. Can also be installed by screws (Surface mounting type / DIN rail mounting type)

•Easy to read directly readable clock• No worry of loss thanks to internal setting elements

Load can be turned on and off every 15 minutes with the 96 setting elements

•Equipped with ON color dial The set time can be seen at a glance

• Compatible with AC power supplies (quartz power failure compensation type) Power failure compensation using secondary battery

•Flat terminals for easy wiring To weld the #187 flat connection terminals (recep-tacles), please use a "YC-051" tool manufactured by J.S.T. Mfg. Co. Ltd.

PRODUCT TYPES

PRECAUTIONS DURING USAGE

Notes: 1) In addition to these, 24 V AC and 48 V models can be manufactured. Please inquire for details.2) A protective cover is included with A-TB72/72Q flat time switch. If you need an extra one, please order it as an option.

Drive system Operating voltage

Flush mounting type Surface mounting type / DIN rail mounting typePart No. Part No.

A-TB72(AC motor type)

100 V AC A-TB72-D-HR1A-100V A-TB72-DD-HR1C-100V110 V AC A-TB72-D-HR1A-110V A-TB72-DD-HR1C-110V120 V AC A-TB72-D-HR1A-120V A-TB72-DD-HR1C-120V200 V AC A-TB72-D-HR1A-200V A-TB72-DD-HR1C-200V220 V AC A-TB72-D-HR1A-220V A-TB72-DD-HR1C-220V240 V AC A-TB72-D-HR1A-240V A-TB72-DD-HR1C-240V

A-TB72Q(Quartz power-failure compensation type) 100 to 240 V AC A-TB72-Q-HR1A-ACF A-TB72-QD-HR1C-ACF

Options Front protective cover for A-TB72/TB72Q flat time switches AQM7801

Output setting

• ON setting: Turn the setting element inward, and red mark appear around the dial.• OFF setting: Turn the setting element outward, and the above red mark will disappear.• Turn the setting element sufficiently until the click action is felt.

Power failure compensation (A-TB72Q)

• An internal secondary (Ni-NH) battery is provided to compensate for power failures, but the power supply should be left on as much as possible. Turning the power supply on and off shortens the service life of the battery.

• After continuous charging for 48 hours, the battery provides 200 hours of power failure compensation. The internal battery is fully charged, but if the battery capacitance has dropped because of natural discharging, or if the battery has discharged completely, there may be times when the switch does not operate immediately when the power is turned on. If this happens, set the clock to the proper time after the power has been back on for three to four hours.

• Secondary batteries are a valuable commodity which can be recharged. They cannot be replaced, but if being discarded after use, please make sure they are recycled if possible. When discarding the battery, turn off the power supply to Time Switches, and use radio pliers to disassemble the overall connections and remove the battery.

Clock setting

• Be sure to turn the knob at the clock center in the arrow direction to set the clock to the present time. (The dial also turns together with the clock.) Be sure to prevent reverse turning.

• Do not turn the dial to set the clock.

Attachment

• Insert Time Switch from the front of the attachment panel. (One-touch system: Flush mounting type)• Either use 3.8 or M4 wood screws for attachment, or use DIN rails with a

width of 35 mm 1.378 in (AT8-DLA1). (Surface mounting type)

Contact relay operation if the power fails

Contact relays remain closed while the power is off.

Precautions concerning wiring

With flush mounting types, wiring should be connected by soldering it directly, or using the #187 flat connecting element provided as an accessory.

Power off OFF

Time Switch setting time

DIN 72 size, 21.7 mm 0.854 in deep control panel time controllers

panasonic-electric-works.net/sunx

1256

FIBERSENSORS

LASERSENSORS

PHOTO-ELECTRICSENSORSMICROPHOTO-ELECTRICSENSORS

AREASENSORS

LIGHTCURTAINS

PRESSURE / FLOWSENSORS

INDUCTIVEPROXIMITYSENSORS

PARTICULARUSE SENSORS

SENSOROPTIONS

SIMPLEWIRE-SAVINGUNITS

WIRE-SAVING SYSTEMS

MEASURE-MENTSENSORS

STATIC CONTROLDEVICES

ENDOSCOPE

LASERMARKERS

PLC /TERMINALS

HUMAN MACHINE INTERFACESENERGY CONSUMPTION VISUALIZATION COMPONENTS

FA COMPONENTS

MACHINE VISION SYSTEMS

UV CURING SYSTEMS

Timers

Time Switches

Counters

Hour Meters

Options

Limit SwitchesFan MotorsTemperature Controllers

A-TB72/72Q

Tighten screws securelyInsert the wire until the tiptouches this surface.

10±2 mm0.394±0.079 in

Length of sheathto be removed:(illustration shows actual size)

Make sure the bare wire is notexposed beyond this surface.

• Use the time switch in ambient temperatures of -10 °C to +50 °C +14 °F to +122 °F.

• Use Time Switch in ambient humidity of 85 % R.H. or less.• Prevent using Time Switch in such places where

inflammable or corrosive gas is generated, much dust exists, oil is splashed and considerable shock and vibration occur.

• Since the main body cover is made of polycarbonate resin, prevent contact with organic solvents such as methyl alcohol, benzine and thinner, or strong alkaline materials such as ammonia and caustic soda.

• External surge protection At a standard waveform the voltage of surge resistance against external surges is 4,000 V (7,000 V for Flat Time Switch), however, a surge voltage in excess of that may damage the internal circuit, therefore, please use a surge absorbing element.

• Provide chattering absorbing circuit to control the circuit in which chattering is a problem.

• Provide circuit breaker, fuse or other protective devices for the side of power supply.

• The power failure compensation function provides compensation if power is supplied continuously to the time switches. The internal battery is fully charged, but if the battery capacitance has dropped because of natural discharging, or if the battery has discharged completely, there may be times when the switch does not operate immediately when the power is turned on. If this happens, check to make sure that the clock is operating normally immediately after the power is turned on, and then set the clock to the proper time.

When the value on the left has been reached, we recommend replacing the product with a new one.* Average working life will decrease the higher the operating temperature gets (20,000 hours when

+50 °C +122 °F).

Connections should be made using wiring of ø 1 to ø 1.6 ø 0.039 to ø 0.063, or 1.25 to 2 mm2 2 to 3 × 10−3 in2, with a 600 V vinyl insulating sheath.

Note: Please remove the crossover (dotted line) connected to the electromagnetic breaker with case cover.

Precautions in Using A-TB Time Switches (common)

For cautions regarding each product, please refer to the respective "Precautions in using" sections.

CAUTIONS FOR USE LIFE FOR TIME SWITCH

PRECAUTIONS CONCERNING WIRING

Surge waveform [Unipolar full wave voltage of ±(1.2 × 50) μs]

10090

50

30

0 0 1.2Time (μs)

50

Peak

Sur

ge v

olta

ge (%

)

Item Average life ConditionsContact switching times Approx. 2 × 104 times Resistive load 250 V AC 15 AYears of use* Approx. 5 years Normal temperature (+25 °C +77 °F)

CONNECTION METHODS

When time switches are directly controlledWhen the electromagnetic breaker and contactor are used in combination

Single-phase 3-phase

If the power supplies for time switches and the load are separate

If the same power supply is used for time switches and the load

Example of connecting time switches and remote control transmitter breaker

Connect a crossoverbetween S2 and COM .

The output from Time Switches is a stand-alone circuit, and is applied to 1 C.

MS2S1

Time switchCOM

NONC

Powersupply for timeswitch

Power supply for load

Load

MS2S1

Time switch

Crossover

COMNO

NC

Pow

er s

uppl

y

Load

Power supplyfor time switch

MS2S1

Electromagnetic contactor

Time switchCOM

BA

NONC

Powersupply forload Lo

ad

S2S1

Pow

er s

uppl

y

Load

Crossover

M

Electromagnetic contactor

Time switchCOM

BA

NONC

95961413

65

43

21

Power supplyfor time switch

M

S2S1

Electromagnetic breaker (green power)

Time switchCOM

BA

NONC

Powersupply forload Lo

ad

S2S1

Pow

er s

uppl

y

Load

9596141365

4321

M

Electromagnetic breaker (green power)

Time switchCOM

BA

NONC

Crossover

S2S1

Remote controltransmitter breaker

OFF

Time switchNC NO COM

COMON

Load

The crimp terminal should beinserted facing the directionshown in the illustration.

3.9 mm0.154 in min.

7 mm0.276 in max.

If connecting wires just as they are

Using crimp terminals• Use a crimp terminal with an insulating tube and an open tip (for M3.5 screws).